The Extech EX410A multimeter measures AC/DC voltage and current, resistance, temperature, and diode/continuity. It uses an averaging measurement method, which offers 0.5% basic accuracy.

The EX410A features a large, 1-inch digit LCD as well as input fuse protection and misconnection warning safety features. It is also rated for 10A max current and takes Type K temperature measurements. Data hold, relative and auto power off are all also standard functions for this multimeter.